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PDF ( 数据手册 , 数据表 ) EUA2008

零件编号 EUA2008
描述 3-W Stereo Class-D Audio Amplifier
制造商 Eutech Microelectronics
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EUA2008 数据手册, 描述, 功能
EUA2008
3-W Stereo Class-D Audio Amplifier
with 32-Step DC Volume Control
DESCRIPTION
The EUA2008 is a high efficiency, 2 channel bridged-tied
load (BTL), class-D audio power amplifier. Operating from
a 5V power supply, EUA2008 is capable of delivering 3W/
channel of continuous output power to a 3load with 10%
THD+N. The EUA2008 features a differential input
architecture offering improved noise immunity over a
single-ended (SE) input amplifier. Stereo speaker volume
is controlled with a dc voltage applied to the volume
control terminal offering a range of gain from -38dB to20
dB.
The EUA2008 also features short-circuit and thermal
protection preventing the device from being damaged
during a fault condition. The EUA2008 is available in
thermally efficient 24-pin TSSOP package.
FEATURES
z Unique Modulation Scheme Reduces EMI Emission
z Efficient 5V Class-D Technology
- 3W Per Channel into 3Load (THD+N=10%)
- Low Supply Current, 7mA
- Low Shutdown Control, µA
- 0.33% THD at 1.5W, 1kHz
- Low Noise Floor, 62µV
- Maximum Efficiency into 3, 85%
- Maximum Efficiency into 8, 90%
- PSRR, -70dB
z No Large, Expensive LC Output Filter Required
z 32-Step DC Volume Control with 2dB Steps from
-38dB to 20dB
z Thermal and Short-Circuit Protection
z Integrated Click and Pop Suppression
z 24-pin TSSOP Package with Thermal Pad
z RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
Typical Application Circuit
APPLICATIONS
z LCD Monitors/TVs
z All-in- One PCs
z Powered Speakers
DS2008 Ver 1.0 Oct. 2009
Figure1.
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EUA2008 pdf, 数据表
EUA2008Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
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DS2008 Ver 1.0 Oct. 2009
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